Add timestamps wrappers to each job

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: I17df6ce030937a2380716f2304e0ca5d2583160a
diff --git a/tf-m-build-docs.yaml b/tf-m-build-docs.yaml
index 4b7fec8..59f3501 100644
--- a/tf-m-build-docs.yaml
+++ b/tf-m-build-docs.yaml
@@ -1,5 +1,5 @@
 #-------------------------------------------------------------------------------
-# Copyright (c) 2020, Arm Limited. All rights reserved.
+# Copyright (c) 2020-2021, Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -79,6 +79,8 @@
       - string:
           name: 'TFM_TESTS_REFSPEC'
           default: 'refs/heads/master'
+    wrappers:
+        - timestamps
     pipeline-scm:
       scm:
         - git: